EP0246866A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Battery separator assembly
Assignee: Ultralife Corp
•
Filing: 1987-05-19
•
Granted: —
•
Expires: 2007-05-19
Abstract
Abstract A separator assembly for use in batteries comprising a film bearing a thermal fuse in the form of a layer of wax coated fibers is disclosed.
Inventors
- 👤 Marilyn Ann Faust
- 👤 Mary Roberta Suchanski
- 👤 Hans Walter Osterhoudt
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 00:44
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/449; H01M50/454; H01M10/00; H01M10/05; H01M10/056; H01M10/0564; H01M10/0566; H01M10/0568; H01M10/0569; H01M10/42; H01M10/4235; H01M50/414; H01M50/417; H01M50/44; H01M50/489; H01M50/491; H01M50/50; H01M50/572; H01M50/574; H01M50/581; H01M6/00; H01M6/14; H01M6/16; H01M6/162; H01M6/164; H01M6/166; H01M2200/00; H01M2200/10; H01M2200/103; H01M2300/00; H01M2300/0017; H01M2300/002; H01M2300/0025; H01M2300/0028; H01M2300/0037; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
26 words
A separator assembly for use in batteries, which assembly comprises a film bearing a thermal fuse in the form of a layer of wax coated fibers.
Claim 2
Dependent Claim
26 words
A separator assembly for use in batteries, which assembly comprises a film bearing a thermal fuse in the form of a layer of wax coated fibers.
Claim 3
Dependent Claim
16 words
The separator assembly of claim 1 wherein both the film and the thermal fuse are porous.
Claim 4
Dependent Claim
13 words
The separator assembly of claim 1 or 2 wherein the film is microporous.
Claim 5
Dependent Claim
20 words
The separator assembly of claim 1, 2 or 3 wherein the wax has a melting point of 50 to 150°C.
Claim 6
Dependent Claim
42 words
The separator assembly of claim 1, 2, 3 or 4 wherein the wax is: a) a mixture of paraffin and a thermoplastic polymer, b) beeswax, c) microcrystalline wax, d) candelilla wax, e) rice bran wax, f) polyethylene wax, or g) polypropylene wax.
Claim 7
Dependent Claim
27 words
A battery comprising an anode, a cathode, an electrolyte and, between the anode and the cathode, a separator assembly of any one of claims 1 to 5.
Claim 8
Dependent Claim
12 words
The battery of claim 6 wherein the anode comprises a lithium anode.
Claim 9
Dependent Claim
14 words
The battery of claim 6 or 7 wherein the cathode comprises a MnO₂ cathode.
Claim 10
Dependent Claim
22 words
The battery of claim 6, 7 or 8 wherein the electrolyte is 1M LiBF₄ in a solvent mixture of butyrolactone and dimethoxyethane.
Claim 11
Dependent Claim
22 words
The battery of claim 6, 7 or 8 wherein the electrolyte is 1M LiCF₃SO₃ in a solvent mixture of butyrolactone and dimethoxyethane.
Claim 12
Dependent Claim
22 words
The battery of claim 6, 7 or 8 wherein the electrolyte is LiCF₃SO₃ in a solvent mixture of propylene carbonate and dimethoxyethane.
References Cited (Backward Citations)
US4075400A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.